EP0139089A3 - Procédé de réduction des marges ondulées durant la fabrication de feuilles en polyéthylènes linéaires à densité basse (lldpe) - Google Patents
Procédé de réduction des marges ondulées durant la fabrication de feuilles en polyéthylènes linéaires à densité basse (lldpe) Download PDFInfo
- Publication number
- EP0139089A3 EP0139089A3 EP84107412A EP84107412A EP0139089A3 EP 0139089 A3 EP0139089 A3 EP 0139089A3 EP 84107412 A EP84107412 A EP 84107412A EP 84107412 A EP84107412 A EP 84107412A EP 0139089 A3 EP0139089 A3 EP 0139089A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- film
- waver
- reducing
- vedge
- during formation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
- B29C48/917—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means by applying pressurised gas to the surface of the flat article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0063—Density
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US50871583A | 1983-06-28 | 1983-06-28 | |
US508715 | 1995-07-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0139089A2 EP0139089A2 (fr) | 1985-05-02 |
EP0139089A3 true EP0139089A3 (fr) | 1986-01-08 |
Family
ID=24023782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84107412A Withdrawn EP0139089A3 (fr) | 1983-06-28 | 1984-06-27 | Procédé de réduction des marges ondulées durant la fabrication de feuilles en polyéthylènes linéaires à densité basse (lldpe) |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0139089A3 (fr) |
JP (1) | JPS6015118A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8502191A (nl) * | 1985-08-06 | 1987-03-02 | Stamicarbon | Werkwijze voor het vervaardigen van vlakfolie. |
JP2626783B2 (ja) * | 1988-02-04 | 1997-07-02 | 鐘淵化学工業株式会社 | 樹脂フィルムの端部処理方法及び装置 |
IT1277038B1 (it) | 1995-12-06 | 1997-11-04 | Pentacast Srl | Film multistrato polietilenico |
JP6642500B2 (ja) * | 2017-03-17 | 2020-02-05 | トヨタ自動車株式会社 | 樹脂フィルムの成膜方法 |
WO2020170075A1 (fr) * | 2019-02-19 | 2020-08-27 | Colines S.P.A. | Procédé et appareil de fixation des bords d'une matière extrudée |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1350697A (fr) * | 1962-11-09 | 1964-01-31 | Avisun Corp | Procédé de moulage perfectionné d'articles en matière plastique et nouveaux produits résultants |
EP0006110A2 (fr) * | 1978-03-31 | 1980-01-09 | Union Carbide Corporation | Procédé pour fabriquer des films à partir de copolymères de l'éthylène basse densité et d'hydrocarbure, film et procédé pour régler les propriétés optiques de ce film |
DE3326056A1 (de) * | 1982-07-21 | 1984-01-26 | Clopay Corp. ( n.d. Ges.d. Staates Maryland ), 45202 Cincinnati, Ohio | Verfahren und vorrichtung zum herstellen thermoplastischer folien |
-
1984
- 1984-06-27 JP JP59131226A patent/JPS6015118A/ja active Pending
- 1984-06-27 EP EP84107412A patent/EP0139089A3/fr not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1350697A (fr) * | 1962-11-09 | 1964-01-31 | Avisun Corp | Procédé de moulage perfectionné d'articles en matière plastique et nouveaux produits résultants |
EP0006110A2 (fr) * | 1978-03-31 | 1980-01-09 | Union Carbide Corporation | Procédé pour fabriquer des films à partir de copolymères de l'éthylène basse densité et d'hydrocarbure, film et procédé pour régler les propriétés optiques de ce film |
DE3326056A1 (de) * | 1982-07-21 | 1984-01-26 | Clopay Corp. ( n.d. Ges.d. Staates Maryland ), 45202 Cincinnati, Ohio | Verfahren und vorrichtung zum herstellen thermoplastischer folien |
Also Published As
Publication number | Publication date |
---|---|
JPS6015118A (ja) | 1985-01-25 |
EP0139089A2 (fr) | 1985-05-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH DE FR GB IT LI NL SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
RHK1 | Main classification (correction) |
Ipc: B29D 7/02 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH DE FR GB IT LI NL SE |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19860909 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: LUCCHESI, PETER JOSEPH |